<template>
  <div>
    <h4>欢迎登陆后台管理系统</h4>
    <button @click="iop">111</button>
  </div>
</template>
<script>
export default {
  data() {
    return {
      it: 1,
      ib: 2
    }
  },
  methods: {
    iop() {
      if (this.it === 1 || this.ib === 3) {
        console.log(123)
      }
    }
  }
}
</script>
